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Asus PRIME B650M-A AX II Gaming Desktop Motherboard - AMD B650 Chipset - Socket AM5 - Micro ATX - 128 GB DDR5
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Product Features
Technical Overview
This motherboard utilizes the AMD B650 chipset to provide stable performance and extensive feature support for Socket AM5 processors. The platform supports a single Ryzen 7 CPU, offering a balance of core count and clock speed for gaming and productivity workloads.
Memory compatibility includes DDR5 SDRAM modules with speeds ranging from 4800 MHz to 6400 MHz across four DIMM slots. The board's memory architecture is optimized for low latency and high bandwidth operation.
Relevant factors for this section include Chipset Manufacturer, Chipset Model, Total Processor Supported, Number of Memory Slots. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
The PRIME B650M-A AX II combines essential gaming features with reliable performance in a compact Micro ATX form factor. This board offers excellent value for builders seeking modern connectivity without unnecessary premium features.
Modern Memory Support
DDR5 memory technology provides significantly higher bandwidth compared to previous generations, improving system responsiveness and application performance.
- 128 GB maximum capacity
- 4800-6400 MHz speed range
- Four DIMM slots for flexible configurations
Comprehensive Connectivity
Dual-band Wi-Fi 6 and 2.5Gb Ethernet ensure fast network performance for online gaming and large file transfers.
- IEEE 802.11 a/b/g/n/ac/ax support
- Bluetooth 5.2 for peripheral connectivity
- Multiple USB 3.2 ports for high-speed devices
Storage Flexibility
Two M.2 interfaces and eight SATA ports provide ample storage expansion options for NVMe SSDs and traditional hard drives.
- RAID 0, 1, 10 support
- Serial ATA/600 controller
- PCIe 4.0/5.0 compatibility
Deployment / Use Cases
This motherboard is ideally suited for mid-range gaming systems where space efficiency matters. The Micro ATX form factor fits comfortably in most PC cases while providing all essential features for a powerful gaming rig.
Content creators will appreciate the combination of Ryzen 7 processor support, high-speed DDR5 memory, and multiple storage interfaces. The board handles video editing, 3D rendering, and streaming workloads effectively.
For home office or productivity systems, the integrated Wi-Fi 6 and 2.5Gb Ethernet provide reliable connectivity for remote work scenarios. The comprehensive I/O panel includes legacy VGA support for compatibility with older displays.
Compact Gaming Builds
The Micro ATX design allows for smaller case footprints without sacrificing gaming performance or expansion capabilities.
Productivity Workstations
Support for high-core-count Ryzen 7 processors and fast DDR5 memory makes this board suitable for demanding professional applications.
Physical Profile
Measuring 9.6" square (243.84 mm), this Micro ATX motherboard fits standard ATX and Micro ATX cases. The compact dimensions make it suitable for builds where space optimization is important.
The board features a clean layout with well-positioned connectors and headers for easy cable management. The VRM cooling solution maintains stable power delivery during extended gaming sessions.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 9.60" (243.84 mm), 9.60" (243.84 mm). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 9.60" (243.84 mm)
- Depth
- 9.60" (243.84 mm)
What's in the Box
The motherboard package includes all essential components for installation and basic operation.
Highlights
- AMD B650 chipset with Socket AM5 support for Ryzen 7 processors
- 128 GB maximum DDR5 memory capacity across four DIMM slots
- PCIe 5.0 and 4.0 slots for next-generation graphics and storage
- Dual-band Wi-Fi 6 (802.11ax) and Bluetooth 5.2 wireless connectivity
- 2.5Gb Ethernet port for high-speed wired networking
- Two M.2 interfaces and eight SATA ports for storage expansion
- 7.1 channel audio with S/PDIF output
- HDMI, DisplayPort, and VGA video outputs
- Micro ATX form factor (9.6" x 9.6")
- Three-year limited warranty
Specifications
| Specifications | |
|---|---|
| Manufacturer | ASUS Computer International |
| Manufacturer Part Number | PRIME B650M-A AX II |
| Brand Name | Asus |
| Product Line | Prime |
| Product Model | B650M-A AX II |
| Product Name | PRIME B650M-A AX II Gaming Desktop Motherboard |
| Product Type | Gaming Desktop Motherboard |
| Processor & Chipset | |
| Chipset Manufacturer | AMD |
| Chipset Model | B650 |
| Total Processor Supported | 1 |
| Processor Socket | Socket AM5 |
| Processor Supported | Ryzen 7 |
| Memory | |
| Number of Memory Slots | 4 |
| Memory Form Factor | DIMM,UDIMM |
| Maximum Memory Supported | 128 GB |
| Memory Speed Supported | 6400 MHz,6200 MHz,6000 MHz,5800 MHz,5600 MHz,5400 MHz,5200 MHz,5000 MHz,4800 MHz |
| Memory Technology | DDR5 SDRAM |
| I/O Controller | |
| Controller Type | Serial ATA/600 |
| RAID Supported | Yes |
| RAID Levels | 0,1,10 |
| Audio | |
| Audio Channels | 7.1 |
| Network & Communication | |
| Bluetooth | Yes |
| Bluetooth Standard | Bluetooth 5.2 |
| Gigabit Ethernet | Yes |
| 2.5Gigabit Ethernet | Yes |
| Wireless LAN | Yes |
| Wireless LAN Standard | IEEE 802.11 a/b/g/n/ac/ax |
| I/O Expansions | |
| Total Number of Expansion Slots | 4 |
| Total Number of PCI Express Slots | 4 |
| Number of PCI Express x16 Slots | 4 |
| PCI Express Standard | PCI Express 4.0,PCI Express 5.0 |
| Interfaces/Ports | |
| Total Number of USB Ports | 8 |
| Number of USB 3.2 Gen 1 Type-A Ports | 2 |
| Number of USB 3.2 Gen 2 Type-A Ports | 2 |
| S/PDIF | Yes |
| VGA | Yes |
| HDMI | Yes |
| DisplayPort | Yes |
| Number of Network (RJ-45) Ports | 1 |
| Onboard Interfaces | |
| Number of SATA Interfaces | 8 |
| Number of M.2 Interfaces | 2 |
| Total Number of Onboard USB Ports | 7 |
| Number of Onboard USB 2.0 Ports | 4 |
| Physical Characteristics | |
| Form Factor | Micro ATX |
| Width | 9.60" (243.84 mm) |
| Depth | 9.60" (243.84 mm) |
| Miscellaneous | |
| Package Contents | PRIME B650M-A AX II Gaming Desktop Motherboard 2 x SATA 6Gb/s cables 1 x ASUS Wi-Fi moving antennas 1 x I/O Shield 1 x Screw Package for M.2 SSD 1 x User guide |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
| Warranty | |
| Limited Warranty | 3 Year |
FAQ
What processors are compatible with this motherboard?
This motherboard supports AMD Ryzen 7 processors using the Socket AM5 interface. The AMD B650 chipset provides stable platform support for these CPUs, enabling high-performance computing for gaming and productivity applications. The board is designed to handle the power requirements and thermal characteristics of Ryzen 7 series processors.
What type of memory does this motherboard support?
The PRIME B650M-A AX II supports DDR5 SDRAM memory across four DIMM slots. Maximum supported capacity is 128 GB, with memory speeds ranging from 4800 MHz to 6400 MHz. The board uses UDIMM form factor memory modules, which are standard for desktop systems. DDR5 technology provides higher bandwidth and improved power efficiency compared to DDR4.
Does this motherboard support PCIe 5.0?
Yes, this motherboard includes PCIe 5.0 support alongside PCIe 4.0 compatibility. The board features four PCI Express x16 slots that can accommodate the latest graphics cards and expansion cards. PCIe 5.0 doubles the bandwidth of PCIe 4.0, enabling faster data transfer rates for next-generation storage devices and graphics cards.
What wireless connectivity options are included?
This motherboard features integrated Wi-Fi 6 (802.11ax) and Bluetooth 5.2. The Wi-Fi 6 support provides faster wireless speeds, improved network efficiency, and better performance in congested environments compared to previous Wi-Fi standards. Bluetooth 5.2 offers enhanced connectivity for wireless peripherals like headphones, keyboards, and controllers.
How many storage interfaces does this motherboard have?
The board provides two M.2 interfaces for NVMe SSDs and eight SATA ports for traditional hard drives and SSDs. The storage controller supports Serial ATA/600 speeds and RAID configurations (0, 1, and 10) for data redundancy or performance enhancement. This combination allows for flexible storage configurations with both high-speed NVMe storage and high-capacity SATA drives.
What is the warranty period for this motherboard?
Asus provides a three-year limited warranty for the PRIME B650M-A AX II motherboard. The warranty covers manufacturing defects and ensures reliable performance throughout the coverage period. The board also complies with RoHS environmental standards, restricting hazardous substances in its construction.
| Qty | Price | Available |
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